Ontologia

HydroBASINS lev08 watershed · #1080019010

Bassin de Catumbela

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 4 administrative regions : Benguela, Bocoio, Caiambambo, Lobito

Pfafstetter: 13138010

Sub-basin area

1 702,2km²

Upstream area

16 712,7km²

Discharge

215,65m³/s

Mean elev.

572m

Administrative coverage

Hydrographic chain

▼ Drains into

Outlet (drains to ocean / endorheic)

▲ Receives from 2 basins

4 dept-equivalent regions (GADM L2)

  • Benguela
    Benguela · Angola
    630.6 km²
    37.2% of basin
  • Lobito
    Benguela · Angola
    587.9 km²
    34.7% of basin
  • Bocoio
    Benguela · Angola
    405.3 km²
    23.9% of basin
  • Caiambambo
    Benguela · Angola
    71.8 km²
    4.2% of basin

1 intersecting protected areas

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

217 distinct species · 567 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

567 obs · 16 cellules
Obs. / cellule
≥ 382
54–381
29–53
5–28
< 5

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 33 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Catumbela : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 2 types (connectance 7.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
38
Connectance
0.072
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

23,2°C

Annual rain

723mm

Moisture idx (CMI)

-0,52

Runoff

106mm/an

PET

1 492mm

AET

610mm

Mean slope

8,0°

Water table

640cm

Forest

16%

Crops

1%

Urban

1%

Protected

7%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)